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2070551161 = 7295793023
BaseRepresentation
bin111101101101010…
…0001101001111001
312100022002220020001
41323122201221321
513220030114121
6541243033001
7102211252210
oct17332415171
95308086201
102070551161
11972854808
1249950b761
1326cc79a03
14158dc2077
15c1b9b991
hex7b6a1a79

2070551161 has 4 divisors (see below), whose sum is σ = 2366344192. Its totient is φ = 1774758132.

The previous prime is 2070551143. The next prime is 2070551167. The reversal of 2070551161 is 1611550702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2070551161 - 27 = 2070551033 is a prime.

It is a super-2 number, since 2×20705511612 = 8574364220636895842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2070551167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147896505 + ... + 147896518.

It is an arithmetic number, because the mean of its divisors is an integer number (591586048).

Almost surely, 22070551161 is an apocalyptic number.

It is an amenable number.

2070551161 is a deficient number, since it is larger than the sum of its proper divisors (295793031).

2070551161 is an equidigital number, since it uses as much as digits as its factorization.

2070551161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295793030.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 2070551161 is about 45503.3093411897. The cubic root of 2070551161 is about 1274.5650005995.

The spelling of 2070551161 in words is "two billion, seventy million, five hundred fifty-one thousand, one hundred sixty-one".

Divisors: 1 7 295793023 2070551161